Merge branch 'master' into for-next

Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.

3 files changed, 32 insertions, 25 deletions

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 02b5a9c05cf..33167b43ac7 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -5,7 +5,7 @@
  * domain gets 1024 event channels, but NR_IRQ is not that large, we
  * must dynamically map irqs<->event channels.  The event channels
  * interface with the rest of the kernel by defining a xen interrupt
- * chip.  When an event is recieved, it is mapped to an irq and sent
+ * chip.  When an event is received, it is mapped to an irq and sent
  * through the normal interrupt processing path.
  *
  * There are four kinds of events which can be mapped to an event
@@ -122,7 +122,7 @@ static struct irq_chip xen_pirq_chip;
 /* Get info for IRQ */
 static struct irq_info *info_for_irq(unsigned irq)
 {
-	return get_irq_data(irq);
+	return irq_get_handler_data(irq);
 }
 
 /* Constructors for packed IRQ information. */
@@ -403,7 +403,7 @@ static void xen_irq_init(unsigned irq)
 
 	info->type = IRQT_UNBOUND;
 
-	set_irq_data(irq, info);
+	irq_set_handler_data(irq, info);
 
 	list_add_tail(&info->list, &xen_irq_list_head);
 }
@@ -416,7 +416,7 @@ static int __must_check xen_allocate_irq_dynamic(void)
 #ifdef CONFIG_X86_IO_APIC
 	/*
 	 * For an HVM guest or domain 0 which see "real" (emulated or
-	 * actual repectively) GSIs we allocate dynamic IRQs
+	 * actual respectively) GSIs we allocate dynamic IRQs
 	 * e.g. those corresponding to event channels or MSIs
 	 * etc. from the range above those "real" GSIs to avoid
 	 * collisions.
@@ -458,11 +458,11 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
 
 static void xen_free_irq(unsigned irq)
 {
-	struct irq_info *info = get_irq_data(irq);
+	struct irq_info *info = irq_get_handler_data(irq);
 
 	list_del(&info->list);
 
-	set_irq_data(irq, NULL);
+	irq_set_handler_data(irq, NULL);
 
 	kfree(info);
 
@@ -585,7 +585,7 @@ static void ack_pirq(struct irq_data *data)
 {
 	int evtchn = evtchn_from_irq(data->irq);
 
-	move_native_irq(data->irq);
+	irq_move_irq(data);
 
 	if (VALID_EVTCHN(evtchn)) {
 		mask_evtchn(evtchn);
@@ -639,8 +639,8 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi,
 	if (irq < 0)
 		goto out;
 
-	set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
-				      handle_level_irq, name);
+	irq_set_chip_and_handler_name(irq, &xen_pirq_chip, handle_level_irq,
+				      name);
 
 	irq_op.irq = irq;
 	irq_op.vector = 0;
@@ -690,8 +690,8 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
 	if (irq == -1)
 		goto out;
 
-	set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
-				      handle_level_irq, name);
+	irq_set_chip_and_handler_name(irq, &xen_pirq_chip, handle_level_irq,
+				      name);
 
 	xen_irq_info_pirq_init(irq, 0, pirq, 0, vector, 0);
 	ret = irq_set_msi_desc(irq, msidesc);
@@ -772,7 +772,7 @@ int bind_evtchn_to_irq(unsigned int evtchn)
 		if (irq == -1)
 			goto out;
 
-		set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
+		irq_set_chip_and_handler_name(irq, &xen_dynamic_chip,
 					      handle_fasteoi_irq, "event");
 
 		xen_irq_info_evtchn_init(irq, evtchn);
@@ -799,7 +799,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
 		if (irq < 0)
 			goto out;
 
-		set_irq_chip_and_handler_name(irq, &xen_percpu_chip,
+		irq_set_chip_and_handler_name(irq, &xen_percpu_chip,
 					      handle_percpu_irq, "ipi");
 
 		bind_ipi.vcpu = cpu;
@@ -848,7 +848,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
 		if (irq == -1)
 			goto out;
 
-		set_irq_chip_and_handler_name(irq, &xen_percpu_chip,
+		irq_set_chip_and_handler_name(irq, &xen_percpu_chip,
 					      handle_percpu_irq, "virq");
 
 		bind_virq.virq = virq;
@@ -912,8 +912,7 @@ int bind_evtchn_to_irqhandler(unsigned int evtchn,
 			      unsigned long irqflags,
 			      const char *devname, void *dev_id)
 {
-	unsigned int irq;
-	int retval;
+	int irq, retval;
 
 	irq = bind_evtchn_to_irq(evtchn);
 	if (irq < 0)
@@ -955,8 +954,7 @@ int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu,
 			    irq_handler_t handler,
 			    unsigned long irqflags, const char *devname, void *dev_id)
 {
-	unsigned int irq;
-	int retval;
+	int irq, retval;
 
 	irq = bind_virq_to_irq(virq, cpu);
 	if (irq < 0)
@@ -1339,7 +1337,7 @@ static void ack_dynirq(struct irq_data *data)
 {
 	int evtchn = evtchn_from_irq(data->irq);
 
-	move_masked_irq(data->irq);
+	irq_move_masked_irq(data);
 
 	if (VALID_EVTCHN(evtchn))
 		unmask_evtchn(evtchn);
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 017ce600fbc..b0f9e8fb005 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -273,7 +273,7 @@ static int __unmap_grant_pages(struct grant_map *map, int offset, int pages)
 				map->vma->vm_start + map->notify.addr;
 			err = copy_to_user(tmp, &err, 1);
 			if (err)
-				return err;
+				return -EFAULT;
 			map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE;
 		} else if (pgno >= offset && pgno < offset + pages) {
 			uint8_t *tmp = kmap(map->pages[pgno]);
@@ -662,7 +662,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
 	if (map->flags) {
 		if ((vma->vm_flags & VM_WRITE) &&
 				(map->flags & GNTMAP_readonly))
-			return -EINVAL;
+			goto out_unlock_put;
 	} else {
 		map->flags = GNTMAP_host_map;
 		if (!(vma->vm_flags & VM_WRITE))
@@ -700,6 +700,8 @@ unlock_out:
 	spin_unlock(&priv->lock);
 	return err;
 
+out_unlock_put:
+	spin_unlock(&priv->lock);
 out_put_map:
 	if (use_ptemod)
 		map->vma = NULL;
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 95143dd6904..a2eee574784 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -8,6 +8,7 @@
 #include <linux/sysrq.h>
 #include <linux/stop_machine.h>
 #include <linux/freezer.h>
+#include <linux/syscore_ops.h>
 
 #include <xen/xen.h>
 #include <xen/xenbus.h>
@@ -61,7 +62,7 @@ static void xen_post_suspend(int cancelled)
 	xen_mm_unpin_all();
 }
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 static int xen_suspend(void *data)
 {
 	struct suspend_info *si = data;
@@ -70,8 +71,13 @@ static int xen_suspend(void *data)
 	BUG_ON(!irqs_disabled());
 
 	err = sysdev_suspend(PMSG_FREEZE);
+	if (!err) {
+		err = syscore_suspend();
+		if (err)
+			sysdev_resume();
+	}
 	if (err) {
-		printk(KERN_ERR "xen_suspend: sysdev_suspend failed: %d\n",
+		printk(KERN_ERR "xen_suspend: system core suspend failed: %d\n",
 			err);
 		return err;
 	}
@@ -95,6 +101,7 @@ static int xen_suspend(void *data)
 		xen_timer_resume();
 	}
 
+	syscore_resume();
 	sysdev_resume();
 
 	return 0;
@@ -173,7 +180,7 @@ out:
 #endif
 	shutting_down = SHUTDOWN_INVALID;
 }
-#endif	/* CONFIG_HIBERNATION */
+#endif	/* CONFIG_HIBERNATE_CALLBACKS */
 
 struct shutdown_handler {
 	const char *command;
@@ -202,7 +209,7 @@ static void shutdown_handler(struct xenbus_watch *watch,
 		{ "poweroff",	do_poweroff },
 		{ "halt",	do_poweroff },
 		{ "reboot",	do_reboot   },
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 		{ "suspend",	do_suspend  },
 #endif
 		{NULL, NULL},